339393928 has 8 divisors (see below), whose sum is σ = 636363630. Its totient is φ = 169696960.

The previous prime is 339393877. The next prime is 339393953. The reversal of 339393928 is 829393933.

It can be written as a sum of positive squares in only one way, i.e., 337016164 + 2377764 = 18358^2 + 1542^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21212113 + ... + 21212128.

Almost surely, 2^339393928 is an apocalyptic number.

It is an amenable number.

339393928 is a deficient number, since it is larger than the sum of its proper divisors (296969702).

339393928 is a wasteful number, since it uses less digits than its factorization.

339393928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42424247 (or 42424243 counting only the distinct ones).

The product of its digits is 944784, while the sum is 49.

The square root of 339393928 is about 18422.6471496362. The cubic root of 339393928 is about 697.5382424444.

The spelling of 339393928 in words is "three hundred thirty-nine million, three hundred ninety-three thousand, nine hundred twenty-eight".